Diana - it sounds like you have a good voice teacher because those are the first things you should learn. Hurray. You go girl! 21 is the perfect age to take voice lessons. I didn't start until I was in college.

As a voice teacher I always thought that everyone could sing, but I must say that one friend of mine has totally blown that idea away. So, I will say that most people can sing but there are some (a very few)who just can't do it.